const mongoose = require('mongoose')

mongoose
  .connect('mongodb://localhost:27017/vue-exec', {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useCreateIndex: true,
  })
  .then(() => {
    console.log('数据库连接成功...')
  })
  .catch((err) => {
    console.log('数据库连接异常', err)
  })
